Moderate mag. 4.7 earthquake - 83 km northeast of Tacna, Peru, on Saturday, 29 May 2021 4:04 am (GMT -5) -
Moderate magnitude 4.7 earthquake at 5 km depth
29 May 09:12 UTC: First to report: EMSC after 8 minutes.
29 May 09:17: Magnitude recalculated from 4.2 to 4.4. Hypocenter depth recalculated from 14.0 to 2.0 km (from 8.7 to 1.2 mi). Epicenter location corrected by 27 km (17 mi) towards ESE.
29 May 09:33: Magnitude recalculated from 4.4 to 4.7. Hypocenter depth recalculated from 2.0 to 5.0 km (from 1.2 to 3.1 mi). Epicenter location corrected by 8.1 km (5 mi) towards SSW.
Update Sat, 29 May 2021, 09:18Moderate 4.4 quake hits near Tacna, Provincia de Tacna, Peru
4.4 quake 29 May 4:04 am (GMT -5)
Just 14 minutes ago, a 4.4-magnitude earthquake struck near Tacna, Provincia de Tacna, Peru. The tremor was recorded early morning on Saturday 29 May 2021 at 4:04 am local time, at a very shallow depth of 2 km below the surface.
The event was filed by the European-Mediterranean Seismological Centre (EMSC), the first seismological agency to report it.
Our monitoring service identified a second report from the German Research Centre for Geosciences (GFZ) which listed the quake at magnitude 4.6.
Based on the preliminary seismic data, the quake should have been widely felt by almost everyone in the area of the epicenter. It might have caused light to moderate damage.
Moderate shaking probably occurred in Cairire (pop. 18) located 2 km from the epicenter.
Weak shaking might have been felt in Tarata (pop. 3,100) located 46 km from the epicenter, and Chuquitira (pop. 4,200) 53 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Chipispaya (pop. 1,900) located 65 km from the epicenter, Quilahuani (pop. 3,200) 73 km away, Tacna (pop. 280,100) 89 km away, and Ilabaya (pop. 9,500) 97 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online
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Date & time: 29 May 2021 09:04:19 UTC -
Local time at epicenter:
Saturday, 29 May 2021 4:04 am (GMT -5)
Depth: 5.0 km
Epicenter latitude / longitude: 17.58°S / 69.62°W
Nearest volcano: Nevados Casiri
(5 km / 3 mi)
Nearby towns and cities:4 km (2 mi) SSW of Hospicio
(pop: 17) --> See nearby quakes!45 km (28 mi) ESE of Tarata
(pop: 3,050) --> See nearby quakes!55 km (34 mi) SE of Chuquitira
(pop: 4,220) --> See nearby quakes!64 km (40 mi) E of Chipispaya
(pop: 1,930) --> See nearby quakes!74 km (46 mi) ESE of Quilahuani
(pop: 3,180) --> See nearby quakes!81 km (51 mi) ESE of Totoral
(pop: 1,980) --> See nearby quakes!83 km (51 mi) NE of Tacna
(pop: 280,100) --> See nearby quakes!96 km (60 mi) E of Ilabaya (Jorge Basadre)
(pop: 9,490) --> See nearby quakes!146 km (91 mi) ESE of Moquegua
(pop: 54,500) --> See nearby quakes!198 km (123 mi) SSE of Puno
(pop: 116,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds -5.9°C
(21 F), humidity: 49%, wind: 0 m/s (1 kts) from E
Primary data source: EMSC
(European-Mediterranean Seismological Centre)
Estimated released energy: 7.1 x 1011
joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
|4.7||5 km||SOUTHERN PERU||EMSC|
|4.6||10 km||Peru-Bolivia Border Region||GFZ|
|4.7||10 km||15 Km ENE of Tarata, Peru||USGS|
|4.3||10 km||Peru-Bolivia Border Region||USP|
User reports for this quake (2)
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Perut tacha / not felt
1341.5 km NW of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 15-20 s : Rattling roll that you could feel but felt quake was at a distant from us. It lasted 20 seconds
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